﻿<!DOCTYPE html>

<html dir="ltr" mozdisallowselectionprint>

<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
  <meta name="google" content="notranslate">
  <title>PDF.js viewer</title>

  <!-- This snippet is used in production (included from viewer.html) -->
  <link rel="resource" type="application/l10n" href="locale/locale.json">
  <script src="../build/pdf.mjs" type="module"></script>

  <link rel="stylesheet" href="viewer.css">

  <script src="viewer.mjs" type="module"></script>

  <style>
    /* 模态窗口样式 */
    .modal {
      display: none;
      /* 默认隐藏 */
      position: fixed;
      z-index: 10002;
      left: 50%;
      top: 50%;
      transform: translate(-50%, -50%);
      width: 500px;
      background-color: white;
      border: 1px solid #ccc;
      border-radius: 5px;
      padding: 20px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    }

    /* 遮罩层样式 */
    .modal-overlay {
      display: none;
      /* 默认隐藏 */
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-color: rgba(0, 0, 0, 0.5);
      z-index: 10001;
    }

    /* 按钮样式 */
    .button {
      padding: 10px 20px;
      background-color: #007bff;
      color: white;
      border: none;
      border-radius: 5px;
      cursor: pointer;
    }

    .button-secondary {
      background-color: #6c757d;
    }

    .button-success {
      background-color: #28a745;
    }

    .button-light {
      background-color: #ded520;
    }

    .button-danger {
      background-color: #dc3545;
    }
  </style>

</head>

<body tabindex="0">
  <!-- 等待指示器 -->
  <div id="loading-indicator"
    style="display: none; position: fixed; top: 20px; left: 20px; background: rgba(0,0,0,0.7); color: #fff; padding: 10px; border-radius: 5px;">
    正在生成语音，请稍候...
  </div>

  <audio id="audio-player" controls
    style="position: fixed; width: 190px;height: 50px; bottom: 10px; left: 10px; z-index: 1000;"></audio>
  <!-- 上传按钮定位在页面底部 -->
  <button id="uploadButton" style="
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 1000;
  padding: 10px 20px;
  background-color: #007bff;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;">
    上传 PDF
  </button>


  <!-- 隐藏的文件输入 -->
  <input type="file" id="pdfInput" accept="application/pdf" style="display: none;" />

  <!-- 模态窗口 -->
  <div id="filenameModal" class="modal">
    <h3>输入保存的文件名</h3>
    <input type="text" id="customFileName" placeholder="不含扩展名" style="width: 100%; padding: 5px; margin-top: 10px;" />
    <div style="margin-top: 20px; text-align: right;">
      <button id="cancelUpload" class="button button-secondary">取消</button>
      <button id="confirmUpload" class="button button-success" style="margin-left: 10px;">确认</button>
    </div>
  </div>

  <!-- 页面遮罩 -->
  <div id="modalOverlay" class="modal-overlay"></div>

  <!-- 打开目录按钮 -->
  <button id="openDirectoryButton" class="button" style="
    position: fixed;
    bottom: 70px;
    right: 20px;  
    z-index: 1000;
    ">打开目录
  </button>

  <button id="select-all-text" class="button button-light" style="
  position: fixed;
  bottom: 170px;
  right: 20px;  
  z-index: 1000;
  color:black;
  ">阅读整页</button>

  <button id="toggle-text-select" class="button button-success" style="
  position: fixed;
  bottom: 120px;
  right: 20px;  
  z-index: 1000;
  ">文本选择</button>

  <!-- 目录弹出层 -->
  <div id="directoryModal" class="modal">
    <h2>已上传的 PDF 文档</h2>
    <ul id="pdfList" style="list-style-type: none; padding: 0;"></ul>
    <button id="closeDirectoryButton" class="button button-danger" style="margin-top: 20px; width: 100%;">关闭</button>
  </div>

  <div id="outerContainer">
    <div id="sidebarContainer">
      <div id="toolbarSidebar" class="toolbarHorizontalGroup">
        <div id="toolbarSidebarLeft">
          <div id="sidebarViewButtons" class="toolbarHorizontalGroup toggled" role="radiogroup">
            <button id="viewThumbnail" class="toolbarButton toggled" type="button" title="Show Thumbnails" tabindex="0"
              data-l10n-id="pdfjs-thumbs-button" role="radio" aria-checked="true" aria-controls="thumbnailView">
              <span data-l10n-id="pdfjs-thumbs-button-label">Thumbnails</span>
            </button>
            <button id="viewOutline" class="toolbarButton" type="button"
              title="Show Document Outline (double-click to expand/collapse all items)" tabindex="0"
              data-l10n-id="pdfjs-document-outline-button" role="radio" aria-checked="false"
              aria-controls="outlineView">
              <span data-l10n-id="pdfjs-document-outline-button-label">Document Outline</span>
            </button>
            <button id="viewAttachments" class="toolbarButton" type="button" title="Show Attachments" tabindex="0"
              data-l10n-id="pdfjs-attachments-button" role="radio" aria-checked="false" aria-controls="attachmentsView">
              <span data-l10n-id="pdfjs-attachments-button-label">Attachments</span>
            </button>
            <button id="viewLayers" class="toolbarButton" type="button"
              title="Show Layers (double-click to reset all layers to the default state)" tabindex="0"
              data-l10n-id="pdfjs-layers-button" role="radio" aria-checked="false" aria-controls="layersView">
              <span data-l10n-id="pdfjs-layers-button-label">Layers</span>
            </button>
          </div>
        </div>

        <div id="toolbarSidebarRight">
          <div id="outlineOptionsContainer" class="toolbarHorizontalGroup">
            <div class="verticalToolbarSeparator"></div>

            <button id="currentOutlineItem" class="toolbarButton" type="button" disabled="disabled"
              title="Find Current Outline Item" tabindex="0" data-l10n-id="pdfjs-current-outline-item-button">
              <span data-l10n-id="pdfjs-current-outline-item-button-label">Current Outline Item</span>
            </button>
          </div>
        </div>
      </div>
      <div id="sidebarContent">
        <div id="thumbnailView">
        </div>
        <div id="outlineView" class="hidden">
        </div>
        <div id="attachmentsView" class="hidden">
        </div>
        <div id="layersView" class="hidden">
        </div>
      </div>
      <div id="sidebarResizer"></div>
    </div> <!-- sidebarContainer -->

    <div id="mainContainer">
      <div class="toolbar">
        <div id="toolbarContainer">
          <div id="toolbarViewer" class="toolbarHorizontalGroup">
            <div id="toolbarViewerLeft" class="toolbarHorizontalGroup">
              <button id="sidebarToggleButton" class="toolbarButton" type="button" title="Toggle Sidebar" tabindex="0"
                data-l10n-id="pdfjs-toggle-sidebar-button" aria-expanded="false" aria-haspopup="true"
                aria-controls="sidebarContainer">
                <span data-l10n-id="pdfjs-toggle-sidebar-button-label">Toggle Sidebar</span>
              </button>
              <div class="toolbarButtonSpacer"></div>
              <div class="toolbarButtonWithContainer">
                <button id="viewFindButton" class="toolbarButton" type="button" title="Find in Document" tabindex="0"
                  data-l10n-id="pdfjs-findbar-button" aria-expanded="false" aria-controls="findbar">
                  <span data-l10n-id="pdfjs-findbar-button-label">Find</span>
                </button>
                <div class="hidden doorHanger toolbarHorizontalGroup" id="findbar">
                  <div id="findInputContainer" class="toolbarHorizontalGroup">
                    <span class="loadingInput end toolbarHorizontalGroup">
                      <input id="findInput" class="toolbarField" title="Find" placeholder="Find in document…"
                        tabindex="0" data-l10n-id="pdfjs-find-input" aria-invalid="false">
                    </span>
                    <div class="toolbarHorizontalGroup">
                      <button id="findPreviousButton" class="toolbarButton" type="button"
                        title="Find the previous occurrence of the phrase" tabindex="0"
                        data-l10n-id="pdfjs-find-previous-button">
                        <span data-l10n-id="pdfjs-find-previous-button-label">Previous</span>
                      </button>
                      <div class="splitToolbarButtonSeparator"></div>
                      <button id="findNextButton" class="toolbarButton" type="button"
                        title="Find the next occurrence of the phrase" tabindex="0"
                        data-l10n-id="pdfjs-find-next-button">
                        <span data-l10n-id="pdfjs-find-next-button-label">Next</span>
                      </button>
                    </div>
                  </div>

                  <div id="findbarOptionsOneContainer" class="toolbarHorizontalGroup">
                    <div class="toggleButton toolbarLabel">
                      <input type="checkbox" id="findHighlightAll" tabindex="0" />
                      <label for="findHighlightAll" data-l10n-id="pdfjs-find-highlight-checkbox">Highlight All</label>
                    </div>
                    <div class="toggleButton toolbarLabel">
                      <input type="checkbox" id="findMatchCase" tabindex="0" />
                      <label for="findMatchCase" data-l10n-id="pdfjs-find-match-case-checkbox-label">Match Case</label>
                    </div>
                  </div>
                  <div id="findbarOptionsTwoContainer" class="toolbarHorizontalGroup">
                    <div class="toggleButton toolbarLabel">
                      <input type="checkbox" id="findMatchDiacritics" tabindex="0" />
                      <label for="findMatchDiacritics" data-l10n-id="pdfjs-find-match-diacritics-checkbox-label">Match
                        Diacritics</label>
                    </div>
                    <div class="toggleButton toolbarLabel">
                      <input type="checkbox" id="findEntireWord" tabindex="0" />
                      <label for="findEntireWord" data-l10n-id="pdfjs-find-entire-word-checkbox-label">Whole
                        Words</label>
                    </div>
                  </div>

                  <div id="findbarMessageContainer" class="toolbarHorizontalGroup" aria-live="polite">
                    <span id="findResultsCount" class="toolbarLabel"></span>
                    <span id="findMsg" class="toolbarLabel"></span>
                  </div>
                </div> <!-- findbar -->
              </div>
              <div class="toolbarHorizontalGroup hiddenSmallView">
                <button class="toolbarButton" title="Previous Page" type="button" id="previous" tabindex="0"
                  data-l10n-id="pdfjs-previous-button">
                  <span data-l10n-id="pdfjs-previous-button-label">Previous</span>
                </button>
                <div class="splitToolbarButtonSeparator"></div>
                <button class="toolbarButton" type="button" title="Next Page" id="next" tabindex="0"
                  data-l10n-id="pdfjs-next-button">
                  <span data-l10n-id="pdfjs-next-button-label">Next</span>
                </button>
              </div>
              <div class="toolbarHorizontalGroup">
                <span class="loadingInput start toolbarHorizontalGroup">
                  <input type="number" id="pageNumber" class="toolbarField" title="Page" value="1" min="1" tabindex="0"
                    data-l10n-id="pdfjs-page-input" autocomplete="off">
                </span>
                <span id="numPages" class="toolbarLabel"></span>
              </div>
            </div>
            <div id="toolbarViewerMiddle" class="toolbarHorizontalGroup">
              <div class="toolbarHorizontalGroup">
                <button id="zoomOutButton" class="toolbarButton" type="button" title="Zoom Out" tabindex="0"
                  data-l10n-id="pdfjs-zoom-out-button">
                  <span data-l10n-id="pdfjs-zoom-out-button-label">Zoom Out</span>
                </button>
                <div class="splitToolbarButtonSeparator"></div>
                <button id="zoomInButton" class="toolbarButton" type="button" title="Zoom In" tabindex="0"
                  data-l10n-id="pdfjs-zoom-in-button">
                  <span data-l10n-id="pdfjs-zoom-in-button-label">Zoom In</span>
                </button>
              </div>
              <span id="scaleSelectContainer" class="dropdownToolbarButton">
                <select id="scaleSelect" title="Zoom" tabindex="0" data-l10n-id="pdfjs-zoom-select">
                  <option id="pageAutoOption" title="" value="auto" selected="selected"
                    data-l10n-id="pdfjs-page-scale-auto">Automatic Zoom</option>
                  <option id="pageActualOption" title="" value="page-actual" data-l10n-id="pdfjs-page-scale-actual">
                    Actual Size</option>
                  <option id="pageFitOption" title="" value="page-fit" data-l10n-id="pdfjs-page-scale-fit">Page Fit
                  </option>
                  <option id="pageWidthOption" title="" value="page-width" data-l10n-id="pdfjs-page-scale-width">Page
                    Width</option>
                  <option id="customScaleOption" title="" value="custom" disabled="disabled" hidden="true"
                    data-l10n-id="pdfjs-page-scale-percent" data-l10n-args='{ "scale": 0 }'>0%</option>
                  <option title="" value="0.5" data-l10n-id="pdfjs-page-scale-percent" data-l10n-args='{ "scale": 50 }'>
                    50%</option>
                  <option title="" value="0.75" data-l10n-id="pdfjs-page-scale-percent"
                    data-l10n-args='{ "scale": 75 }'>
                    75%</option>
                  <option title="" value="1" data-l10n-id="pdfjs-page-scale-percent" data-l10n-args='{ "scale": 100 }'>
                    100%</option>
                  <option title="" value="1.25" data-l10n-id="pdfjs-page-scale-percent"
                    data-l10n-args='{ "scale": 125 }'>
                    125%</option>
                  <option title="" value="1.5" data-l10n-id="pdfjs-page-scale-percent"
                    data-l10n-args='{ "scale": 150 }'>
                    150%</option>
                  <option title="" value="2" data-l10n-id="pdfjs-page-scale-percent" data-l10n-args='{ "scale": 200 }'>
                    200%</option>
                  <option title="" value="3" data-l10n-id="pdfjs-page-scale-percent" data-l10n-args='{ "scale": 300 }'>
                    300%</option>
                  <option title="" value="4" data-l10n-id="pdfjs-page-scale-percent" data-l10n-args='{ "scale": 400 }'>
                    400%</option>
                </select>
              </span>
            </div>
            <div id="toolbarViewerRight" class="toolbarHorizontalGroup">
              <div id="editorModeButtons" class="toolbarHorizontalGroup" role="radiogroup">
                <div id="editorHighlight" class="toolbarButtonWithContainer">
                  <button id="editorHighlightButton" class="toolbarButton" type="button" disabled="disabled"
                    title="Highlight" role="radio" aria-expanded="false" aria-haspopup="true"
                    aria-controls="editorHighlightParamsToolbar" tabindex="0"
                    data-l10n-id="pdfjs-editor-highlight-button">
                    <span data-l10n-id="pdfjs-editor-highlight-button-label">Highlight</span>
                  </button>
                  <div class="editorParamsToolbar hidden doorHangerRight" id="editorHighlightParamsToolbar">
                    <div id="highlightParamsToolbarContainer" class="editorParamsToolbarContainer">
                      <div id="editorHighlightColorPicker" class="colorPicker">
                        <span id="highlightColorPickerLabel" class="editorParamsLabel"
                          data-l10n-id="pdfjs-editor-highlight-colorpicker-label">Highlight color</span>
                      </div>
                      <div id="editorHighlightThickness">
                        <label for="editorFreeHighlightThickness" class="editorParamsLabel"
                          data-l10n-id="pdfjs-editor-free-highlight-thickness-input">Thickness</label>
                        <div class="thicknessPicker">
                          <input type="range" id="editorFreeHighlightThickness" class="editorParamsSlider"
                            data-l10n-id="pdfjs-editor-free-highlight-thickness-title" value="12" min="8" max="24"
                            step="1" tabindex="0">
                        </div>
                      </div>
                      <div id="editorHighlightVisibility">
                        <div class="divider"></div>
                        <div class="toggler">
                          <label for="editorHighlightShowAll" class="editorParamsLabel"
                            data-l10n-id="pdfjs-editor-highlight-show-all-button-label">Show all</label>
                          <button id="editorHighlightShowAll" class="toggle-button" type="button"
                            data-l10n-id="pdfjs-editor-highlight-show-all-button" aria-pressed="true"
                            tabindex="0"></button>
                        </div>
                      </div>
                    </div>
                  </div>
                </div>
                <div id="editorFreeText" class="toolbarButtonWithContainer">
                  <button id="editorFreeTextButton" class="toolbarButton" type="button" disabled="disabled" title="Text"
                    role="radio" aria-expanded="false" aria-haspopup="true" aria-controls="editorFreeTextParamsToolbar"
                    tabindex="0" data-l10n-id="pdfjs-editor-free-text-button">
                    <span data-l10n-id="pdfjs-editor-free-text-button-label">Text</span>
                  </button>
                  <div class="editorParamsToolbar hidden doorHangerRight" id="editorFreeTextParamsToolbar">
                    <div class="editorParamsToolbarContainer">
                      <div class="editorParamsSetter">
                        <label for="editorFreeTextColor" class="editorParamsLabel"
                          data-l10n-id="pdfjs-editor-free-text-color-input">Color</label>
                        <input type="color" id="editorFreeTextColor" class="editorParamsColor" tabindex="0">
                      </div>
                      <div class="editorParamsSetter">
                        <label for="editorFreeTextFontSize" class="editorParamsLabel"
                          data-l10n-id="pdfjs-editor-free-text-size-input">Size</label>
                        <input type="range" id="editorFreeTextFontSize" class="editorParamsSlider" value="10" min="5"
                          max="100" step="1" tabindex="0">
                      </div>
                    </div>
                  </div>
                </div>
                <div id="editorInk" class="toolbarButtonWithContainer">
                  <button id="editorInkButton" class="toolbarButton" type="button" disabled="disabled" title="Draw"
                    role="radio" aria-expanded="false" aria-haspopup="true" aria-controls="editorInkParamsToolbar"
                    tabindex="0" data-l10n-id="pdfjs-editor-ink-button">
                    <span data-l10n-id="pdfjs-editor-ink-button-label">Draw</span>
                  </button>
                  <div class="editorParamsToolbar hidden doorHangerRight" id="editorInkParamsToolbar">
                    <div class="editorParamsToolbarContainer">
                      <div class="editorParamsSetter">
                        <label for="editorInkColor" class="editorParamsLabel"
                          data-l10n-id="pdfjs-editor-ink-color-input">Color</label>
                        <input type="color" id="editorInkColor" class="editorParamsColor" tabindex="0">
                      </div>
                      <div class="editorParamsSetter">
                        <label for="editorInkThickness" class="editorParamsLabel"
                          data-l10n-id="pdfjs-editor-ink-thickness-input">Thickness</label>
                        <input type="range" id="editorInkThickness" class="editorParamsSlider" value="1" min="1"
                          max="20" step="1" tabindex="0">
                      </div>
                      <div class="editorParamsSetter">
                        <label for="editorInkOpacity" class="editorParamsLabel"
                          data-l10n-id="pdfjs-editor-ink-opacity-input">Opacity</label>
                        <input type="range" id="editorInkOpacity" class="editorParamsSlider" value="100" min="1"
                          max="100" step="1" tabindex="0">
                      </div>
                    </div>
                  </div>
                </div>
                <div id="editorStamp" class="toolbarButtonWithContainer">
                  <button id="editorStampButton" class="toolbarButton" type="button" disabled="disabled"
                    title="Add or edit images" role="radio" aria-expanded="false" aria-haspopup="true"
                    aria-controls="editorStampParamsToolbar" tabindex="0" data-l10n-id="pdfjs-editor-stamp-button">
                    <span data-l10n-id="pdfjs-editor-stamp-button-label">Add or edit images</span>
                  </button>
                  <div class="editorParamsToolbar hidden doorHangerRight menu" id="editorStampParamsToolbar">
                    <div class="menuContainer">
                      <button id="editorStampAddImage" class="toolbarButton labeled" type="button" title="Add image"
                        tabindex="0" data-l10n-id="pdfjs-editor-stamp-add-image-button">
                        <span class="editorParamsLabel" data-l10n-id="pdfjs-editor-stamp-add-image-button-label">Add
                          image</span>
                      </button>
                    </div>
                  </div>
                </div>
              </div>

              <div id="editorModeSeparator" class="verticalToolbarSeparator"></div>

              <div class="toolbarHorizontalGroup hiddenMediumView">
                <button id="printButton" class="toolbarButton" type="button" title="Print" tabindex="0"
                  data-l10n-id="pdfjs-print-button">
                  <span data-l10n-id="pdfjs-print-button-label">Print</span>
                </button>

                <button id="downloadButton" class="toolbarButton" type="button" title="Save" tabindex="0"
                  data-l10n-id="pdfjs-save-button">
                  <span data-l10n-id="pdfjs-save-button-label">Save</span>
                </button>
              </div>

              <div class="verticalToolbarSeparator hiddenMediumView"></div>

              <div id="secondaryToolbarToggle" class="toolbarButtonWithContainer">
                <button id="secondaryToolbarToggleButton" class="toolbarButton" type="button" title="Tools" tabindex="0"
                  data-l10n-id="pdfjs-tools-button" aria-expanded="false" aria-haspopup="true"
                  aria-controls="secondaryToolbar">
                  <span data-l10n-id="pdfjs-tools-button-label">Tools</span>
                </button>
                <div id="secondaryToolbar" class="hidden doorHangerRight menu">
                  <div id="secondaryToolbarButtonContainer" class="menuContainer">
                    <button id="secondaryOpenFile" class="toolbarButton labeled" type="button" title="Open File"
                      tabindex="0" data-l10n-id="pdfjs-open-file-button">
                      <span data-l10n-id="pdfjs-open-file-button-label">Open</span>
                    </button>

                    <div class="visibleMediumView">
                      <button id="secondaryPrint" class="toolbarButton labeled" type="button" title="Print" tabindex="0"
                        data-l10n-id="pdfjs-print-button">
                        <span data-l10n-id="pdfjs-print-button-label">Print</span>
                      </button>

                      <button id="secondaryDownload" class="toolbarButton labeled" type="button" title="Save"
                        tabindex="0" data-l10n-id="pdfjs-save-button">
                        <span data-l10n-id="pdfjs-save-button-label">Save</span>
                      </button>

                    </div>

                    <div class="horizontalToolbarSeparator"></div>

                    <button id="presentationMode" class="toolbarButton labeled" type="button"
                      title="Switch to Presentation Mode" tabindex="0" data-l10n-id="pdfjs-presentation-mode-button">
                      <span data-l10n-id="pdfjs-presentation-mode-button-label">Presentation Mode</span>
                    </button>

                    <a href="#" id="viewBookmark" class="toolbarButton labeled"
                      title="Current Page (View URL from Current Page)" tabindex="0"
                      data-l10n-id="pdfjs-bookmark-button">
                      <span data-l10n-id="pdfjs-bookmark-button-label">Current Page</span>
                    </a>

                    <div id="viewBookmarkSeparator" class="horizontalToolbarSeparator"></div>

                    <button id="firstPage" class="toolbarButton labeled" type="button" title="Go to First Page"
                      tabindex="0" data-l10n-id="pdfjs-first-page-button">
                      <span data-l10n-id="pdfjs-first-page-button-label">Go to First Page</span>
                    </button>
                    <button id="lastPage" class="toolbarButton labeled" type="button" title="Go to Last Page"
                      tabindex="0" data-l10n-id="pdfjs-last-page-button">
                      <span data-l10n-id="pdfjs-last-page-button-label">Go to Last Page</span>
                    </button>

                    <div class="horizontalToolbarSeparator"></div>

                    <button id="pageRotateCw" class="toolbarButton labeled" type="button" title="Rotate Clockwise"
                      tabindex="0" data-l10n-id="pdfjs-page-rotate-cw-button">
                      <span data-l10n-id="pdfjs-page-rotate-cw-button-label">Rotate Clockwise</span>
                    </button>
                    <button id="pageRotateCcw" class="toolbarButton labeled" type="button"
                      title="Rotate Counterclockwise" tabindex="0" data-l10n-id="pdfjs-page-rotate-ccw-button">
                      <span data-l10n-id="pdfjs-page-rotate-ccw-button-label">Rotate Counterclockwise</span>
                    </button>

                    <div class="horizontalToolbarSeparator"></div>

                    <div id="cursorToolButtons" role="radiogroup">
                      <button id="cursorSelectTool" class="toolbarButton labeled toggled" type="button"
                        title="Enable Text Selection Tool" tabindex="0"
                        data-l10n-id="pdfjs-cursor-text-select-tool-button" role="radio" aria-checked="true">
                        <span data-l10n-id="pdfjs-cursor-text-select-tool-button-label">Text Selection Tool</span>
                      </button>
                      <button id="cursorHandTool" class="toolbarButton labeled" type="button" title="Enable Hand Tool"
                        tabindex="0" data-l10n-id="pdfjs-cursor-hand-tool-button" role="radio" aria-checked="false">
                        <span data-l10n-id="pdfjs-cursor-hand-tool-button-label">Hand Tool</span>
                      </button>
                    </div>

                    <div class="horizontalToolbarSeparator"></div>

                    <div id="scrollModeButtons" role="radiogroup">
                      <button id="scrollPage" class="toolbarButton labeled" type="button" title="Use Page Scrolling"
                        tabindex="0" data-l10n-id="pdfjs-scroll-page-button" role="radio" aria-checked="false">
                        <span data-l10n-id="pdfjs-scroll-page-button-label">Page Scrolling</span>
                      </button>
                      <button id="scrollVertical" class="toolbarButton labeled toggled" type="button"
                        title="Use Vertical Scrolling" tabindex="0" data-l10n-id="pdfjs-scroll-vertical-button"
                        role="radio" aria-checked="true">
                        <span data-l10n-id="pdfjs-scroll-vertical-button-label">Vertical Scrolling</span>
                      </button>
                      <button id="scrollHorizontal" class="toolbarButton labeled" type="button"
                        title="Use Horizontal Scrolling" tabindex="0" data-l10n-id="pdfjs-scroll-horizontal-button"
                        role="radio" aria-checked="false">
                        <span data-l10n-id="pdfjs-scroll-horizontal-button-label">Horizontal Scrolling</span>
                      </button>
                      <button id="scrollWrapped" class="toolbarButton labeled" type="button"
                        title="Use Wrapped Scrolling" tabindex="0" data-l10n-id="pdfjs-scroll-wrapped-button"
                        role="radio" aria-checked="false">
                        <span data-l10n-id="pdfjs-scroll-wrapped-button-label">Wrapped Scrolling</span>
                      </button>
                    </div>

                    <div class="horizontalToolbarSeparator"></div>

                    <div id="spreadModeButtons" role="radiogroup">
                      <button id="spreadNone" class="toolbarButton labeled toggled" type="button"
                        title="Do not join page spreads" tabindex="0" data-l10n-id="pdfjs-spread-none-button"
                        role="radio" aria-checked="true">
                        <span data-l10n-id="pdfjs-spread-none-button-label">No Spreads</span>
                      </button>
                      <button id="spreadOdd" class="toolbarButton labeled" type="button"
                        title="Join page spreads starting with odd-numbered pages" tabindex="0"
                        data-l10n-id="pdfjs-spread-odd-button" role="radio" aria-checked="false">
                        <span data-l10n-id="pdfjs-spread-odd-button-label">Odd Spreads</span>
                      </button>
                      <button id="spreadEven" class="toolbarButton labeled" type="button"
                        title="Join page spreads starting with even-numbered pages" tabindex="0"
                        data-l10n-id="pdfjs-spread-even-button" role="radio" aria-checked="false">
                        <span data-l10n-id="pdfjs-spread-even-button-label">Even Spreads</span>
                      </button>
                    </div>

                    <div id="imageAltTextSettingsSeparator" class="horizontalToolbarSeparator hidden"></div>
                    <button id="imageAltTextSettings" type="button" class="toolbarButton labeled hidden"
                      title="Image alt text settings" tabindex="0" data-l10n-id="pdfjs-image-alt-text-settings-button"
                      aria-controls="altTextSettingsDialog">
                      <span data-l10n-id="pdfjs-image-alt-text-settings-button-label">Image alt text settings</span>
                    </button>

                    <div class="horizontalToolbarSeparator"></div>

                    <button id="documentProperties" class="toolbarButton labeled" type="button"
                      title="Document Properties…" tabindex="0" data-l10n-id="pdfjs-document-properties-button"
                      aria-controls="documentPropertiesDialog">
                      <span data-l10n-id="pdfjs-document-properties-button-label">Document Properties…</span>
                    </button>
                  </div>
                </div> <!-- secondaryToolbar -->
              </div>
            </div>
          </div>
          <div id="loadingBar">
            <div class="progress">
              <div class="glimmer">
              </div>
            </div>
          </div>
        </div>
      </div>

      <div id="viewerContainer" tabindex="0">
        <div id="viewer" class="pdfViewer"></div>
      </div>
    </div> <!-- mainContainer -->

    <div id="dialogContainer">
      <dialog id="passwordDialog">
        <div class="row">
          <label for="password" id="passwordText" data-l10n-id="pdfjs-password-label">Enter the password to open this
            PDF file:</label>
        </div>
        <div class="row">
          <input type="password" id="password" class="toolbarField">
        </div>
        <div class="buttonRow">
          <button id="passwordCancel" class="dialogButton" type="button"><span
              data-l10n-id="pdfjs-password-cancel-button">Cancel</span></button>
          <button id="passwordSubmit" class="dialogButton" type="button"><span
              data-l10n-id="pdfjs-password-ok-button">OK</span></button>
        </div>
      </dialog>
      <dialog id="documentPropertiesDialog">
        <div class="row">
          <span id="fileNameLabel" data-l10n-id="pdfjs-document-properties-file-name">File name:</span>
          <p id="fileNameField" aria-labelledby="fileNameLabel">-</p>
        </div>
        <div class="row">
          <span id="fileSizeLabel" data-l10n-id="pdfjs-document-properties-file-size">File size:</span>
          <p id="fileSizeField" aria-labelledby="fileSizeLabel">-</p>
        </div>
        <div class="separator"></div>
        <div class="row">
          <span id="titleLabel" data-l10n-id="pdfjs-document-properties-title">Title:</span>
          <p id="titleField" aria-labelledby="titleLabel">-</p>
        </div>
        <div class="row">
          <span id="authorLabel" data-l10n-id="pdfjs-document-properties-author">Author:</span>
          <p id="authorField" aria-labelledby="authorLabel">-</p>
        </div>
        <div class="row">
          <span id="subjectLabel" data-l10n-id="pdfjs-document-properties-subject">Subject:</span>
          <p id="subjectField" aria-labelledby="subjectLabel">-</p>
        </div>
        <div class="row">
          <span id="keywordsLabel" data-l10n-id="pdfjs-document-properties-keywords">Keywords:</span>
          <p id="keywordsField" aria-labelledby="keywordsLabel">-</p>
        </div>
        <div class="row">
          <span id="creationDateLabel" data-l10n-id="pdfjs-document-properties-creation-date">Creation Date:</span>
          <p id="creationDateField" aria-labelledby="creationDateLabel">-</p>
        </div>
        <div class="row">
          <span id="modificationDateLabel" data-l10n-id="pdfjs-document-properties-modification-date">Modification
            Date:</span>
          <p id="modificationDateField" aria-labelledby="modificationDateLabel">-</p>
        </div>
        <div class="row">
          <span id="creatorLabel" data-l10n-id="pdfjs-document-properties-creator">Creator:</span>
          <p id="creatorField" aria-labelledby="creatorLabel">-</p>
        </div>
        <div class="separator"></div>
        <div class="row">
          <span id="producerLabel" data-l10n-id="pdfjs-document-properties-producer">PDF Producer:</span>
          <p id="producerField" aria-labelledby="producerLabel">-</p>
        </div>
        <div class="row">
          <span id="versionLabel" data-l10n-id="pdfjs-document-properties-version">PDF Version:</span>
          <p id="versionField" aria-labelledby="versionLabel">-</p>
        </div>
        <div class="row">
          <span id="pageCountLabel" data-l10n-id="pdfjs-document-properties-page-count">Page Count:</span>
          <p id="pageCountField" aria-labelledby="pageCountLabel">-</p>
        </div>
        <div class="row">
          <span id="pageSizeLabel" data-l10n-id="pdfjs-document-properties-page-size">Page Size:</span>
          <p id="pageSizeField" aria-labelledby="pageSizeLabel">-</p>
        </div>
        <div class="separator"></div>
        <div class="row">
          <span id="linearizedLabel" data-l10n-id="pdfjs-document-properties-linearized">Fast Web View:</span>
          <p id="linearizedField" aria-labelledby="linearizedLabel">-</p>
        </div>
        <div class="buttonRow">
          <button id="documentPropertiesClose" class="dialogButton" type="button"><span
              data-l10n-id="pdfjs-document-properties-close-button">Close</span></button>
        </div>
      </dialog>
      <dialog class="dialog altText" id="altTextDialog" aria-labelledby="dialogLabel"
        aria-describedby="dialogDescription">
        <div id="altTextContainer" class="mainContainer">
          <div id="overallDescription">
            <span id="dialogLabel" data-l10n-id="pdfjs-editor-alt-text-dialog-label" class="title">Choose an
              option</span>
            <span id="dialogDescription" data-l10n-id="pdfjs-editor-alt-text-dialog-description">
              Alt text (alternative text) helps when people can’t see the image or when it doesn’t load.
            </span>
          </div>
          <div id="addDescription">
            <div class="radio">
              <div class="radioButton">
                <input type="radio" id="descriptionButton" name="altTextOption" tabindex="0"
                  aria-describedby="descriptionAreaLabel" checked>
                <label for="descriptionButton" data-l10n-id="pdfjs-editor-alt-text-add-description-label">Add a
                  description</label>
              </div>
              <div class="radioLabel">
                <span id="descriptionAreaLabel" data-l10n-id="pdfjs-editor-alt-text-add-description-description">
                  Aim for 1-2 sentences that describe the subject, setting, or actions.
                </span>
              </div>
            </div>
            <div class="descriptionArea">
              <textarea id="descriptionTextarea"
                placeholder="For example, “A young man sits down at a table to eat a meal”"
                aria-labelledby="descriptionAreaLabel" data-l10n-id="pdfjs-editor-alt-text-textarea"
                tabindex="0"></textarea>
            </div>
          </div>
          <div id="markAsDecorative">
            <div class="radio">
              <div class="radioButton">
                <input type="radio" id="decorativeButton" name="altTextOption" aria-describedby="decorativeLabel">
                <label for="decorativeButton" data-l10n-id="pdfjs-editor-alt-text-mark-decorative-label">Mark as
                  decorative</label>
              </div>
              <div class="radioLabel">
                <span id="decorativeLabel" data-l10n-id="pdfjs-editor-alt-text-mark-decorative-description">
                  This is used for ornamental images, like borders or watermarks.
                </span>
              </div>
            </div>
          </div>
          <div id="buttons">
            <button id="altTextCancel" class="secondaryButton" type="button" tabindex="0"><span
                data-l10n-id="pdfjs-editor-alt-text-cancel-button">Cancel</span></button>
            <button id="altTextSave" class="primaryButton" type="button" tabindex="0"><span
                data-l10n-id="pdfjs-editor-alt-text-save-button">Save</span></button>
          </div>
        </div>
      </dialog>
      <dialog class="dialog newAltText" id="newAltTextDialog" aria-labelledby="newAltTextTitle"
        aria-describedby="newAltTextDescription" tabindex="0">
        <div id="newAltTextContainer" class="mainContainer">
          <div class="title">
            <span id="newAltTextTitle" data-l10n-id="pdfjs-editor-new-alt-text-dialog-edit-label" role="sectionhead"
              tabindex="0">Edit alt text (image description)</span>
          </div>
          <div id="mainContent">
            <div id="descriptionAndSettings">
              <div id="descriptionInstruction">
                <div id="newAltTextDescriptionContainer">
                  <div class="altTextSpinner" role="status" aria-live="polite"></div>
                  <textarea id="newAltTextDescriptionTextarea" placeholder="Write your description here…"
                    aria-labelledby="descriptionAreaLabel" data-l10n-id="pdfjs-editor-new-alt-text-textarea"
                    tabindex="0"></textarea>
                </div>
                <span id="newAltTextDescription" role="note" data-l10n-id="pdfjs-editor-new-alt-text-description">Short
                  description for people who can’t see the image or when the image doesn’t load.</span>
                <div id="newAltTextDisclaimer" role="note">
                  <div><span data-l10n-id="pdfjs-editor-new-alt-text-disclaimer1">This alt text was created
                      automatically and may be inaccurate.</span> <a
                      href="https://support.mozilla.org/en-US/kb/pdf-alt-text" target="_blank" rel="noopener noreferrer"
                      id="newAltTextLearnMore" data-l10n-id="pdfjs-editor-new-alt-text-disclaimer-learn-more-url"
                      tabindex="0">Learn more</a></div>
                </div>
              </div>
              <div id="newAltTextCreateAutomatically" class="toggler">
                <button id="newAltTextCreateAutomaticallyButton" class="toggle-button" type="button" aria-pressed="true"
                  tabindex="0"></button>
                <label for="newAltTextCreateAutomaticallyButton" class="togglerLabel"
                  data-l10n-id="pdfjs-editor-new-alt-text-create-automatically-button-label">Create alt text
                  automatically</label>
              </div>
              <div id="newAltTextDownloadModel" class="hidden">
                <span id="newAltTextDownloadModelDescription"
                  data-l10n-id="pdfjs-editor-new-alt-text-ai-model-downloading-progress" aria-valuemin="0"
                  data-l10n-args='{ "totalSize": 0, "downloadedSize": 0 }'>Downloading alt text AI model (0 of 0
                  MB)</span>
              </div>
            </div>
            <div id="newAltTextImagePreview"></div>
          </div>
          <div id="newAltTextError" class="messageBar">
            <div>
              <div>
                <span class="title" data-l10n-id="pdfjs-editor-new-alt-text-error-title">Couldn’t create alt text
                  automatically</span>
                <span class="description" data-l10n-id="pdfjs-editor-new-alt-text-error-description">Please write your
                  own alt text or try again later.</span>
              </div>
              <button id="newAltTextCloseButton" class="closeButton" type="button" tabindex="0" title="Close"><span
                  data-l10n-id="pdfjs-editor-new-alt-text-error-close-button">Close</span></button>
            </div>
          </div>
          <div id="newAltTextButtons" class="dialogButtonsGroup">
            <button id="newAltTextCancel" type="button" class="secondaryButton hidden" tabindex="0"><span
                data-l10n-id="pdfjs-editor-alt-text-cancel-button">Cancel</span></button>
            <button id="newAltTextNotNow" type="button" class="secondaryButton" tabindex="0"><span
                data-l10n-id="pdfjs-editor-new-alt-text-not-now-button">Not now</span></button>
            <button id="newAltTextSave" type="button" class="primaryButton" tabindex="0"><span
                data-l10n-id="pdfjs-editor-alt-text-save-button">Save</span></button>
          </div>
        </div>
      </dialog>

      <dialog class="dialog" id="altTextSettingsDialog" aria-labelledby="altTextSettingsTitle">
        <div id="altTextSettingsContainer" class="mainContainer">
          <div class="title">
            <span id="altTextSettingsTitle" data-l10n-id="pdfjs-editor-alt-text-settings-dialog-label"
              role="sectionhead" tabindex="0" class="title">Image alt text settings</span>
          </div>
          <div id="automaticAltText">
            <span data-l10n-id="pdfjs-editor-alt-text-settings-automatic-title">Automatic alt text</span>
            <div id="automaticSettings">
              <div id="createModelSetting">
                <div class="toggler">
                  <button id="createModelButton" type="button" class="toggle-button" aria-pressed="true"
                    tabindex="0"></button>
                  <label for="createModelButton" class="togglerLabel"
                    data-l10n-id="pdfjs-editor-alt-text-settings-create-model-button-label">Create alt text
                    automatically</label>
                </div>
                <div id="createModelDescription" class="description">
                  <span data-l10n-id="pdfjs-editor-alt-text-settings-create-model-description">Suggests descriptions to
                    help people who can’t see the image or when the image doesn’t load.</span> <a
                    href="https://support.mozilla.org/en-US/kb/pdf-alt-text" target="_blank" rel="noopener noreferrer"
                    id="altTextSettingsLearnMore" data-l10n-id="pdfjs-editor-new-alt-text-disclaimer-learn-more-url"
                    tabindex="0">Learn more</a>
                </div>
              </div>
              <div id="aiModelSettings">
                <div>
                  <span data-l10n-id="pdfjs-editor-alt-text-settings-download-model-label"
                    data-l10n-args='{ "totalSize": 180 }'>Alt text AI model (180MB)</span>
                  <div id="aiModelDescription" class="description">
                    <span data-l10n-id="pdfjs-editor-alt-text-settings-ai-model-description">Runs locally on your device
                      so your data stays private. Required for automatic alt text.</span>
                  </div>
                </div>
                <button id="deleteModelButton" type="button" class="secondaryButton" tabindex="0"><span
                    data-l10n-id="pdfjs-editor-alt-text-settings-delete-model-button">Delete</span></button>
                <button id="downloadModelButton" type="button" class="secondaryButton" tabindex="0"><span
                    data-l10n-id="pdfjs-editor-alt-text-settings-download-model-button">Download</span></button>
              </div>
            </div>
          </div>
          <div class="dialogSeparator"></div>
          <div id="altTextEditor">
            <span data-l10n-id="pdfjs-editor-alt-text-settings-editor-title">Alt text editor</span>
            <div id="showAltTextEditor">
              <div class="toggler">
                <button id="showAltTextDialogButton" type="button" class="toggle-button" aria-pressed="true"
                  tabindex="0"></button>
                <label for="showAltTextDialogButton" class="togglerLabel"
                  data-l10n-id="pdfjs-editor-alt-text-settings-show-dialog-button-label">Show alt text editor right away
                  when adding an image</label>
              </div>
              <div id="showAltTextDialogDescription" class="description">
                <span data-l10n-id="pdfjs-editor-alt-text-settings-show-dialog-description">Helps you make sure all your
                  images have alt text.</span>
              </div>
            </div>
          </div>
          <div id="buttons" class="dialogButtonsGroup">
            <button id="altTextSettingsCloseButton" type="button" class="primaryButton" tabindex="0"><span
                data-l10n-id="pdfjs-editor-alt-text-settings-close-button">Close</span></button>
          </div>
        </div>
      </dialog>
      <dialog id="printServiceDialog" style="min-width: 200px;">
        <div class="row">
          <span data-l10n-id="pdfjs-print-progress-message">Preparing document for printing…</span>
        </div>
        <div class="row">
          <progress value="0" max="100"></progress>
          <span data-l10n-id="pdfjs-print-progress-percent" data-l10n-args='{ "progress": 0 }'
            class="relative-progress">0%</span>
        </div>
        <div class="buttonRow">
          <button id="printCancel" class="dialogButton" type="button"><span
              data-l10n-id="pdfjs-print-progress-close-button">Cancel</span></button>
        </div>
      </dialog>
    </div> <!-- dialogContainer -->

  </div> <!-- outerContainer -->
  <div id="printContainer"></div>


<script>
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    const pdfInput = document.getElementById('pdfInput');
    const filenameModal = document.getElementById('filenameModal');
    const modalOverlay = document.getElementById('modalOverlay');
    const confirmUploadButton = document.getElementById('confirmUpload');
    const cancelUploadButton = document.getElementById('cancelUpload');
    const customFileNameInput = document.getElementById('customFileName');
    const openDirectoryButton = document.getElementById('openDirectoryButton');
    const directoryModal = document.getElementById('directoryModal');
    const closeDirectoryButton = document.getElementById('closeDirectoryButton');
    const pdfList = document.getElementById('pdfList');

    let selectedFile = null;

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      pdfInput.click();
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      if (!selectedFile) {
        alert('没有选择文件');
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      // 进行上传
      const formData = new FormData();
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      // 可以根据需要显示上传进度
      fetch('http://****:1001/upload-pdf', {  // 根据实际部署情况调整URL
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        body: formData
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            const uploadedFilePath = data.file_path; // 如 "/static/files/XXXX.pdf"
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            alert('上传失败: ' + data.error);
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        .catch(error => {
          console.error('Error:', error);
          alert('上传过程中发生错误');
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          pdfInput.value = "";
          selectedFile = null;
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    // 处理“打开目录”按钮点击事件
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      // 显示遮罩和弹出层
      modalOverlay.style.display = 'block';
      directoryModal.style.display = 'block';

      // 清空现有的列表
      pdfList.innerHTML = '';

      // 调用 FastAPI 获取文件列表
      fetch('http://****:1001/list-pdfs')  // 根据实际部署情况调整URL
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        .then(data => {
          if (data.success) {
            const files = data.files;
            if (files.length === 0) {
              const listItem = document.createElement('li');
              listItem.textContent = '没有已上传的 PDF 文档。';
              pdfList.appendChild(listItem);
            } else {
              files.forEach(file => {
                const listItem = document.createElement('li');
                listItem.style.marginBottom = '10px';

                const link = document.createElement('a');
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                link.textContent = file.name;
                link.style.textDecoration = 'none';
                link.style.color = '#007bff';

                // 添加点击事件，在当前页面打开
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                listItem.appendChild(link);
                pdfList.appendChild(listItem);
              });
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          } else {
            alert('无法获取文件列表: ' + data.error);
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          alert('获取文件列表时发生错误');
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    // 处理“关闭”按钮点击事件
    closeDirectoryButton.addEventListener('click', function () {
      directoryModal.style.display = 'none';
      modalOverlay.style.display = 'none';
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    // 点击遮罩关闭弹出层
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        filenameModal.style.display = 'none';
        uploadButton.focus();
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      if (directoryModal.style.display === 'block') {
        directoryModal.style.display = 'none';
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      modalOverlay.style.display = 'none';
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  // 语音控制
let isListening = false;

// 点击按钮开关文本选择监听
document.getElementById('toggle-text-select').addEventListener('click', () => {
    isListening = !isListening; // 切换状态
    const button = document.getElementById('toggle-text-select');
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    // 切换按钮的样式
    if (isListening) {
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});

document.addEventListener('DOMContentLoaded', () => {
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    // 函数：发送选中的文本到后端进行 TTS 处理
    function sendTextToTTS(selectedText) {
        loadingIndicator.style.display = 'block';
        fetch('http://****:1001/text-to-speech/', {
            method: 'POST',
            headers: {
                'Content-Type': 'application/json'
            },
            body: JSON.stringify({ user_input: selectedText })
        })
            .then(response => {
                if (!response.ok) {
                    throw new Error('语音生成失败');
                }
                return response.blob();
            })
            .then(blob => {
                const audioURL = URL.createObjectURL(blob);
                audioPlayer.src = audioURL;
                audioPlayer.play();
            })
            .catch(err => {
                alert('生成语音失败');
                console.error(err);
            })
            .finally(() => {
                // 隐藏等待指示器
                loadingIndicator.style.display = 'none';
            });
    }

    // 监听文本选择事件
    document.addEventListener('mouseup', () => {
        if (!isListening) return; // 若未开启监听，直接返回

        const selection = window.getSelection();
        const selectedText = selection.toString().trim();
        if (selectedText.length === 0) return;

        // 清除选择
        selection.removeAllRanges();

        // 发送选中的文本到后端
        sendTextToTTS(selectedText);
    });
});

// 在其他 JavaScript 代码里保持不变



document.getElementById('select-all-text').addEventListener('click', function() {
    const { pdfViewer } = PDFViewerApplication;
    const currentPage = pdfViewer.currentPageNumber;
    const audioPlayer = document.getElementById('audio-player');
    const loadingIndicator = document.getElementById('loading-indicator');

    // 函数：发送选中的文本到后端进行 TTS 处理,请链接后台tts服务 [ManyiAPI注册链接（价格实惠）](https://api.manyi88.top/register)
  function sendPageToTTS(selectedText) {
        loadingIndicator.style.display = 'block';
        fetch('http://****:1001/text-to-speech/', {
          method: 'POST',
          headers: {
            'Content-Type': 'application/json'
          },
          body: JSON.stringify({ user_input: selectedText })
        })
          .then(response => {
            if (!response.ok) {
              throw new Error('语音生成失败');
            }
            return response.blob();
          })
          .then(blob => {
            const audioURL = URL.createObjectURL(blob);
            audioPlayer.src = audioURL;
            audioPlayer.play();
          })
          .catch(err => {
            alert('生成语音失败');
            console.error(err);
          })
          .finally(() => {
            // 隐藏等待指示器
            loadingIndicator.style.display = 'none';
          });
      }

    PDFViewerApplication.pdfDocument.getPage(currentPage).then(function(page) {
        page.getTextContent().then(function(textContent) {
            // 创建一个临时的、不可见的 div 来容纳文本
            const tempDiv = document.createElement('div');
            tempDiv.style.position = 'fixed';
            tempDiv.style.top = '0';
            tempDiv.style.left = '0';
            tempDiv.style.width = '100%';
            tempDiv.style.height = '100%';
            tempDiv.style.opacity = '0';
            tempDiv.style.pointerEvents = 'none';
            tempDiv.contentEditable = true; // 使其可选中

            // 将所有文本合并为一个字符串
            const fullText = textContent.items.map(item => item.str).join(' ');
            // alert(fullText);
            sendPageToTTS(fullText);

        });
    });
});
</script>

</body>

</html>